DOMAIN-SUFFIX,pki.goog 

DOMAIN,pki-goog.l.google.com # @cn

DOMAIN,c.pki.goog # @cn
DOMAIN,i.pki.goog # @cn
DOMAIN,o.pki.goog # @cn

# Google Public CA API Endpoint
DOMAIN,publicca.googleapis.com 
DOMAIN,preprod-publicca.googleapis.com 

# Deprecated earlier
DOMAIN,clients1.google.com 
DOMAIN,pki.google.com 

# Deprecated recently
DOMAIN,crl.pki.goog # @cn
DOMAIN,crls.pki.goog # @cn
DOMAIN,ocsp.pki.goog # @cn